Tahwelya manufactures products that meet or exceed acceptable quality and product standards to ensure customer satisfaction.
The HDPE duct and Micro ducts are produced according to international standard and complied with the associated test requirements.
All tests are made at Tahwelya laboratory as well as the independent international laboratories.
For more detailed specifications (including tests and report please contact our technical department).
|NOMINAL PROPERTIES||UNIT||TEST METHOD||VALUE|
|Dimension of Pipe (Outside Diameter, WT, Ovality)||mm||ISO 3126||---|
|Tensile Strength at Yield||MPa||ASTM D 638||21|
|Elongation at Break||%||ASTM D 638||400|
|Longitudinal Reversion||%||ISO 2505||0.5|
|Environmental Stress Crack Resistance (ESCR)||Hours/No Crack||ASTM D 1693||192/No Crack|
|Oxidation Induction Time (OIT)||Minutes||ISO 11357||60|
|Pressure||Minutes/No Failure||ISO 1167||No Failure|
|Pipe Stiffness||kgf/cm²||ASTM D 2412||23|
|Compressive Strength||kgf/m||ASTM D 2412||1000|
|Water Absorption||%||ASTM D 570||0.03|